Siemens 6ES7421-1FH20-0AA0: Digital Input Module for S7-400

Model Number:6ES7421-1FH20-0AA0

Manufacturer:Siemens

Module Type:Digital Input

Module Type Designation:SM 421

Net Weight (kg):0.776

Packaging Dimensions:22.90 x 30.20 x 4.10 cm

Inputs:16 DI (Digital Inputs)

UC Voltage:120/230V

Input Type:Type 2 according to IEC1131-2

Compatible Products:SIMATIC S7-400

Power Supply Compatibility:120/230V AC

    Integrating advanced technology, the SIEMENS 6ES7421-1FH20-0AA0 Digital Input Module SM 421 offers unparalleled precision and reliability for industrial automation systems. Its robust design ensures seamless integration into your existing SIMATIC S7-400 system, enhancing efficiency and productivity.

    With its high input capacity of 16 DI, the module is capable of handling extensive input signals, making it ideal for complex industrial settings. The inclusion of a universal voltage supply (UC 120/230V) provides flexibility and compatibility across various applications.

    Certified to IEC1131-2 Type 2 standards, this module guarantees adherence to international safety and quality norms, ensuring optimal performance and long-term reliability. It’s specifically tailored for use in industrial automation, offering superior control and monitoring capabilities.

    The compact size and lightweight design of the SIEMENS 6ES7421-1FH20-0AA0 make it easy to install and maintain, even in space-constrained environments. It operates within an extended temperature range (-20°C to +55°C), ensuring stable functionality under diverse environmental conditions.

    For a smoother user experience, this module comes with comprehensive documentation and support resources, including detailed installation guides and troubleshooting tips. It’s backed by SIEMENS’ commitment to quality, ensuring customer satisfaction and operational excellence.